Home / 12,557.94-17,329.38-6,892.56

Finding the Fourth Proportional to 12,557.94, 17,329.38 and 6,892.56

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Solution

The fourth proportional to 12,557.94, 17,329.38 and 6,892.56 is: 9,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.94 : 17,329.38 = 6,892.56 : x
  2. Step 2: Convert to fraction form
    12,557.94/17,329.38 = 6,892.56/x
  3. Step 3: Cross multiply
    12,557.94x = 17,329.38 × 6,892.56
  4. Step 4: Simplify right side
    12,557.94x = 119,443,791.41
  5. Step 5: Solve for x
    x = 119,443,791.41/12,557.94
  6. Step 6: Final answer
    x = 9,511.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.